I created my own method inspired by Twitter.
Function:
function legibleNumb($numb, $lang = 'en') {
if ($lang == 'tr') { // Usage with commas in Turkish
if ($numb >= 1000000) { // Million
if (strstr(round(number_format($numb,0,',','.'),1),'.')) {
$legibleNumb = number_format(round(number_format($numb,0,',','.'),1),1,',','.') . ' Mn';
} else {
$legibleNumb = round(number_format($numb,0,',','.'),1) . ' Mn';
}
} elseif ($numb >= 100000 && $numb < 1000000) { // One hundred thousand
$legibleNumb = round(number_format($numb,0,',','.'),0) . ' B';
} elseif ($numb >= 10000 && $numb < 100000) { // Ten thousand
if (strstr(round(number_format($numb,0,',','.'),1),'.')) {
$legibleNumb = number_format(round(number_format($numb,0,',','.'),1),1,',','.') . ' B';
} else {
$legibleNumb = round(number_format($numb,0,',','.'),1) . ' B';
}
} else {
$legibleNumb = number_format($numb,0,',','.');
}
} else { // Dotted usage in English
if ($numb >= 1000000) { // Million
$legibleNumb = round(number_format($numb,0,',','.'),1) . ' M';
} elseif ($numb >= 100000 && $numb < 1000000) { // One hundred thousand
$legibleNumb = round(number_format($numb,0,',','.'),0) . ' K';
} elseif ($numb >= 10000 && $numb < 100000) { // Ten thousand
$legibleNumb = round(number_format($numb,0,',','.'),1) . ' K';
} else {
$legibleNumb = number_format($numb,0,',','.');
}
}
return $legibleNumb;
}
Usage:
echo legibleNumb(9999999,'en');
echo legibleNumb(9999999,'tr');
echo legibleNumb(54669,'en');
echo legibleNumb(54669,'tr');
echo legibleNumb(5466,'en');
echo legibleNumb(5466,'tr');
Results:
10 M
10 Mn
54.7 K
54,7 B
5.466
5.466
You can try it here and check out sample usages: https://glot.io/snippets/eljyd9ssjx